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<head>
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
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    <style>
        html,body{
            margin: 0;
            padding: 0;
            text-align: center;
        }
        body{
            width: 100vw;
            height: 100vh;
        }
    </style>
    <title>ThreeJS小游戏</title>
</head>
<body>
</body>
</html>